[PY3] Remove obsolete module import

diff --git a/src/PV_SWIG/presentations.py b/src/PV_SWIG/presentations.py
index 204568663c82c89e92e654b40cebce0084e91688..c9b4c044711742c3a8e48e58d34b96e937a88891 100644 (file)
--- a/src/PV_SWIG/presentations.py
+++ b/src/PV_SWIG/presentations.py
@@ -30,7 +30,6 @@ import os
 import re
 import warnings
 from math import sqrt, sin, cos, radians
-from string import upper
 
 # Do not use pv as a short name.
 # It is a name of function from numpy and may be redefined implicitly by 'from numpy import *' call.